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Role of multiparametric magnetic resonance imaging to predict postoperative Gleason score upgrading in prostate cancer with Gleason score 3 + 4.

Abstract：

BACKGROUND:To evaluate the role of multiparametric magnetic resonance imaging (mpMRI) in Gleason score (GS) 3 + 4 prostate cancer (PCa) and evaluate independent factors in mpMRI that can predict GS upgrading, we compared the outcomes of GS upgrading group and GS non-upgrading group. PATIENTS AND METHODS:We analyzed the data of 539 patients undergoing radical prostatectomy (RP) for biopsy GS 3 + 4 PCa from two tertiary referral centers. Univariate and multivariate analyses were performed to determine significant predictors of GS upgrading. GS upgrading, the study outcome, was defined as GS ≥ 4 + 3 at definitive pathology at RP specimen. RESULTS:GS upgrading rate was 35.3% and biochemical recurrence (BCR) rate was 8.0%. GS upgrading group was significantly older (p = 0.015), had significantly higher prebiopsy serum prostate-specific antigen (PSA) level (p = 0.001) and PSA density (p = 0.003), had a higher number of prostate biopsy (p = 0.026). There were 413 lesions (76.6%) of PI-RADS lesion ≥ 4, 236 (57.1%) for PI-RADS 4 and 177 (42.9%) for PI-RADS 5 lesion. Multivariate logistic regression analysis revealed that age (p = 0.045), initial prebiopsy PSA level (p = 0.002) and presence of PI-RADS lesion ≥ 4 (p = 0.044) are independent predictors of GS upgrading. CONCLUSION:MpMRI can predict postoperative Gleason score upgrading in prostate cancer with Gleason score 3 + 4. Especially, presence of clinically significant PI-RADS lesion ≥ 4, the significant predictor of GS upgrading, in preoperative mpMRI needs to be paid attention and can be helpful for patient counseling on prostate cancer treatment.

journal_name

World J Urol

journal_title

World journal of urology

authors

Kim H,Kim JK,Hong SK,Jeong CW,Ku JH,Kwak C

doi

10.1007/s00345-020-03421-7

subject

Has Abstract

pub_date

2020-08-31 00:00:00

eissn

0724-4983

issn

1433-8726

pii

10.1007/s00345-020-03421-7

pub_type

杂志文章

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